Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SSMRMIMNDS0

Remotes:

Switch Switch name Switch type
CRTSMIMNRS1  CURTIS  DE5 
ENGDMIMNRSA  ENGADINE  DE5 
MCISMIMNRSA  MACKINAC ISLAND  DE5 
NWBYMIMNRSA  NEWBERRY  DE5 
STIGMIMNRSA  ST IGNACE  DE5 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-253 A Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-253 0 Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-253 1 Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-253 2 Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-253 6 Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-253 7 Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-253 9 Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-569 A Trout Lake MI 9323 MICHIGAN BELL TEL CO 342      
906-569 3 Trout Lake MI 9323 MICHIGAN BELL TEL CO 342      
906-632 A Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      
906-635 A Sault Ste Marie MI 9323 MICHIGAN BELL TEL CO 342      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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